Revised scheme for B.Tech. - Punjab Technical University
Revised scheme for B.Tech. - Punjab Technical University
Revised scheme for B.Tech. - Punjab Technical University
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PTU/BOS/ME/101/10-06-2005/BATCH-2003<br />
DE/ME-3.7 THEORY OF PLASTICITY<br />
Internal Marks: 40 L T P<br />
External Marks: 60 3 1 0<br />
Total Marks: 100<br />
Introduction to Plasticity: Idealized stress-strain systems, approximate equation <strong>for</strong><br />
stress strain curves (Ramberg-Osgood, Ludwig’s and Karunes equations),<br />
Bauschinger effect-yield locus, yield surface,<br />
Yield Criteria and Flow Rules: Tresca theory & Von-Mises yield criterion, their<br />
geometrical representation, experimental evidence <strong>for</strong> the criteria.<br />
Slip Line Field Theory: Two-dimensional plasticity, slip lines, basic equations,<br />
Hencjy’s first theorem, Geiringer’s Velocity equation. Applications of slip line field<br />
theory to plane strain problems.<br />
Load Bounding: The lower bound theorem, the upper bound theorem and their<br />
corollaries. Application of load bounding to plane strain problems.<br />
Books<br />
1. Plasticity <strong>for</strong> mechanical Engineers Johanson and Miller Van Nostrand<br />
2. Engg Plasticity Calladina Pergmean Press
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